REGULATION — OFFICIAL DEFINITION

Ceiling

14 CFR § 1.1 — Definitions

Official definition — 14 CFR Part 1

REGULATION — OFFICIAL DEFINITION

Ceiling means the height above the earth's surface of the lowest layer of clouds or obscuring phenomena that is reported as “broken”, “overcast”, or “obscuration”, and not classified as “thin” or “partial”.

Reproduced verbatim from the eCFR. Regulatory definitions control how the term is used throughout 14 CFR.

Is this a regulation?

Yes — this is regulatory text and is legally binding.

Definition published in 14 CFR Part 1. Regulatory definitions are legally binding wherever the defined term is used in 14 CFR.